SKU: 58958573970

PROFILE DESIGN AEROBAR TRI SONIC ERGO 50A

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Description

PROFILE DESIGN AEROBAR TRI SONIC ERGO 50AOVERVIEW Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms. Performance The Sonic Ergo is designed to present minimal

OVERVIEW

Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range.  With this update it brings our new generation fit range to a wider range of price points, replacing the J2 bracket.  The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms.

Performance

The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position despite a fairly minimalist appearance the Sonic/Ergo offers a comprehensive fit range for exactly this purpose.

Fit Data

  • Armrest Offset: -70mm to -2.5mm in 7.5mm steps
  • Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm)
  • Armrest Stack:  60mm (no riser kit) to 130mm in 5mm increments (With aftermarket Riser Kit)

    The extension length and rotation can be easily adjusted using the top bolt.

    There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip on bar on the market (and in history).

    It is worth noting that our previous top level clip on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position.

    Origin

    After we released the Supersonic (J5) as a premium bracket with market leading fit options and versatility we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar centerline we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets.

    The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests smaller increments of movement are achieved – making it simple to fine tune a riders position or match the position from their previous aerobar or bike.

    Extensions

    • Extension Shape:  A 50a extensions offer a 50° ski bend shape.

    • The 50a offer a 7.5mm lateral shift per side.  This allows the rider to get their hands narrower or wider without tilting the extensions so much that the shifters touch.

    TECH SPECS
      • Bracket: Sonic
      • Clamp Diameter: 31.8mm (26.0 w/Shims)
      • Armrest:  Ergo / 10mm Pads
      • Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm)
      • Armrest Offset: -70mm to -2.5mm in 7.5mm steps
      • Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added)
      • Color: Matte Black
      • Weight: 564g
      TECH GUIDE

      Torque settings (all bolts are M6)

      • Bar Clamp: 6Nm
      • Extension Clamp: 6Nm
      • Armrest Bolts: 4.7Nm

      Weight

      • Bracket: 234g
      • Armrest: 130g
      • Extensions: 200g
      • Total: 564g
      Shipping Notes
      • Free Standard Shipping on $100+ Orders to the USA.
      • Except Preorder products are shipped in 48 hours.
      • Delivery to the USA:
      1. Standard Shipping : 3-10 business days
      • If time is of the essence, please consider selecting expedited delivery for faster service.
      Exchange/Return Notes
      • We offer a 30-day return/exchange service after receiving.
      • Final sale items are not eligible for returns or exchanges.
      • To process your return/exchange, please contact us at [email protected]
      • Please click here for more details>>> Return & Exchange Policy
      SKU: 58958573970

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      C. Crespo
      Belleville, US
      ★★★★★ 5
      Nice quality
      Size: XX-Large, Color: Black
      Very nice fit and material. I’m a size 14 & the XXL fits well - maybe a tad bit big, but I didn’t want it to be fit uncomfortably tight either. My only complaint is that the side zipper gets stuck right where the pocket is. But I am able to put the dress on without having to open & close the Ipper.
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      Reviewed in the United States on June 23, 2025
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      shinday
      Fort Morgan, US
      ★★★★★ 5
      Gorgeous
      Size: Large, Color: Black
      I bought 2 of these dresses, they are adorable. They are well made, fully lined, quality product. They fit so well and will be flattering on any figure. I’m 5’10”, the length is perfect. Well below the knee. A classic fit and cut
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      Reviewed in the United States on June 15, 2025
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      Denise E.
      Phoenix, US
      ★★★★★ 4
      Flattering fit, great feel, totally worth it
      Size: Medium, Color: Black
      I had to squeeze my girls in, but I made it work, lol! This was my first time shopping from The Drop and I was so suprised by the quality. It's definitely a heavy dress but I really love how it feels and fits on my body. For context, I ordered a medium, I'm 5'2", 155 lbs, 36DD, and 30in waist. It's tight on my bust but comfortable around my hips and waist, which isn't a big deal. The side zipper kills me though lol so beware, lots of twisting to get that thing shut. BUT still worth it. great dress.
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      Reviewed in the United States on July 4, 2025
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      TMax
      Los Angeles, US
      ★★★★★ 5
      Great dress!
      Size: 3X, Color: White
      I had to go a size up in this for the chest area. But this is a great dress with adjustable straps. Can do a lot with it. Feels and looks quality!
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      Reviewed in the United States on May 11, 2026
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      Amazon Customer
      New York, US
      ★★★★★ 2
      Zipper!
      Size: Large, Color: Black
      I mean the reviews don’t lie. Beautiful quality dress. Wore once washed and zipper doesn’t work.
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      Reviewed in the United States on August 31, 2025

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